Abstract: Proposed is a method for carrying out a transaction between a mobile telephone (6) and a sales apparatus (45), the telephone (6) comprising a first memory (40) for storing an identifier (I), the identifier (I) being able to identify the mobile telephone (6) uniquely, the method comprising the following steps: a) reception of the identifier by radiofrequency communication via the sales apparatus (45), b) identification of the mobile telephone (6) by the sales apparatus (45) from the identifier received during the first sending step, and c) generation by the sales apparatus (45) of a proof of purchase comprising a signature computed by the sales apparatus (45) and able to authenticate the proof of purchase, the proof of purchase (PA) being a transportation title.

Abstract: A method for managing an installation (10), the installation (10) including: a power supply device (14), and members (16) supplied with energy by the power supply device (14), the method including the following steps: determining the available energy coming from the power supply device (14), determining the energy consumed by the members (16), and optimizing the operation of the installation (10) so that a criterion is met, the criterion being met at least if the energy balance of the installation (10) is positive for a given length of time.

Abstract: Disclosed is a dynamic parking regulation method, from a set of payment terminals arranged on the roadway for the sale and issuing of at least rights to park, wherein each is associated with a right to park in a parking space, wherein the method includes the following steps implemented by each payment terminal provided with a data capture device that is designed to capture data that is representative of the occupation of the parking space close by: capturing data that is representative of the occupation of the parking space close to the given terminal with the aid of the capture device; and obtaining an updated right to park based on the occupation of a parking place determined as a function of at least the captured data, and issuing at least one right to park as a function of updated right to park.